Revolving sign



April 24, 1934.

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REVOLVING S IGN 2 Sheets-Sheet 1 Filed May 15, 1953 lwwhllllllllllllilllllili1ulllllllllll.

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E. L. BRAUTIGAM ET AL REvoLvING SIGN Filed May l5, 1933 2 Sheets-Sheet 2 Wil l vll Il 'sim'I Gttomegs Patented pr. 24, 934

rares siren REVOLVING SIGN Erwin Louis Brautigam, James C. De Walt and Edwin 0. Misamore, Findlay,- hio Application May 15, 1933, Serial No. 671,234

4 Claims.

rlhis invention relates to revolving signs of that type adapted to be actuated by air currents.

An object of the invention is to provide a sign of this character which, because or" its peculiar shape, will be rotated at a high speed in one direction when subjected to the action of an air current so that duplicate displays upon opposed faces of the sign will be plainly legible to persons approaching the sign.

A further object is to provide a rotating sign which is simple and durable in construction and so mounted as to be adjusted readily to bring its axis of rotation to a vertical position so as to insure correct balance.

With the foregoing and other objects in View which will appear as the description proceeds, the invention consists of certain novel details of construction and combinations of parts hereinafter more fully described and pointed out in the claims, it being understood that changes may be made in the construction and arrangement of parts without departing from the spirit of the invention as claimed.

In the accompanying drawings the preferred form of the invention has been shown.

In said drawings:

Figure 1 is a front elevation of the sign.

Figure 2 is a top plan View.

Figure 3 is an enlarged section on the line 3 3, Figure 2.

Figure 4 is an enlarged section on line 4 4, Figure l.

Figure 5 is an enlarged section on line 5 5, Figure 1.

Figure 6 is a section on line 6 6, Figure 5.

' of to the socket member 2 and in. each of these openings can be arranged a set screw 5.

A standard 6 is extended into the socket member 2 and is engaged by the several set screws 3 and 5. By means of these set screws the standard can be adjusted so that its longitudinal axis will be vertical. Such adjustment is permitted in view of the fact that the external diameter of the standard is materially less than the internal diameter of the socket member.

Formed on or secured to the standard 6 at a point above the socket member 2 is a collar supporting the inner ring 8 of a ball bearing 9 the outer ring 10 of which is secured within a tubular housing 11. This housing depends from a plate i2 and extends around and is spaced from 60 the standard `6. n

The upper end of the standard 6 is closed by a plug 13 having a stud 14 carrying a ball bearing 15 which, in turn, supports a sleeve 16 the upper end oi which is seated in a cap 17 form- 65l ing a part of a plate 18. y

The body of the sign is made up of two 0pposed metal plates 19 and 20 each of which is bent to define an ogee curve and each of which terminates at one end in a coil forming a roll 2l. The two plates are oppositely disposed and one side edge or" each plate is extended into the coil or roll of the opposed plate as indicated at 22. lThe plates are spaced apart between their sides and are joined at their upper and lower 76 edges by sigmoidal top and bottom plates 23 and 2e respectively. The top plate has the sleeve 16 seated snugly in its center portion and the plate 18 is fastened to this top plate as shown. The bottom plate 24 has a central opening 25 through 80 which the standard 6 extends and plate 12 is attached to this bottom plate 24 as shown.

If desired each of the ball bearings can be surrounded by an oil cup 26. Thus the two bearings can run in oil and necessary lubrication can be 8x5 insured at all times.

Each of the plates 19 and 20 is adapted to carry a display printed, painted or otherwise applied, each being a duplicate of the other so that when the sign is rotated at a high speed the allusion of a stationary sign will be presented.

Each terminal roll 21 extends from the concave surface of its plate and cooperates therewith to provide a pocket 27 in which air will be trapped momentarily While a current is flowing against the sign. No matter from what direction the wind may be blowing a portion of the air current will enter the pocket at the right of the sign as indicated by arrows in Figure 2 and rotate the sign to the left about the vertical axis of standard 6. As the right portion of the sign is thus swinging to the left the left portion of the sign is advancing into the wind With its convex surface foremost. Consequently the air will be deected on of this convex surface and the constant rotation of the sign to the left will be maintained due to the pressure of air against the concave surface of the sign and the roll and pocket at the other end of said surface.

As a result of the construction disclosed, the

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sign will rotate at a high speed and it has been found in practice that by arranging the sign so that it will rotate to the left, the display will be more readily legible than should the sign be rotated to the right.

What is claimed is:

1. A rotating sign including a standard, and a sigmoidal member supported at its center upon the standard and mounted for free rotation relative thereto, said member comprising opposed plates bent to define ogee curves, each plate having a roll formed by one side edge portion, the other side edge portion of each plate being seated in the roll of the opposed member, and sigmoidal top and bottom plates joining said curved plates, each roll cooperating with the adjacent outer concave surfaces of the plate engaged therewith to provide an air pocket.

2. A rotating sign including a standard, sigmoidal top and bottom plates mounted at their centers for free rotation relative to the standard, plates connecting the top and bottom plates and bent to provide ogee curves, each plate terminating in a roll along one side edge thereof for receiving one side edge of the opposed plate thereby to produce an interlocking connection between said plates and to provide air pockets between the rolls and the adjacent concave surfaces.

3. A rotating sign including a standard, and a member mounted at its center for free rotation upon the standard, said member including plates each bent to define an ogee curve terminating at one side edge in a roll, the roll of each plate interlocking with one side edge of the opposed plate, and sigmoidal top and bottom plates connecting the rst named plates and holding them spaced between the rolls.

4. A rotating sign including a standard, and a member mounted at its center for free rotation upon the standard, said member including plates each bent to define an ogee curve terminating at one side edge in a roll, the roll of each plate interlocking with one side edge of the opposed plate, and sigmoidal top and bottom plates connecting the first named plates and holding them spaced between the rolls, the roll on each plate being extended beyond the outer concave surface of the other plate thereby to provide an air pocket.

ERWIN LOUIS BRAUTIGAM. JAMES C. DE WALT. EDWIN O. MISAMORE. 

